Vulnerability CVE-2014-2673
Published: 2014-04-01

Description:
The arch_dup_task_struct function in the Transactional Memory (TM) implementation in arch/powerpc/kernel/process.c in the Linux kernel before 3.13.7 on the powerpc platform does not properly interact with the clone and fork system calls, which allows local users to cause a denial of service (Program Check and system crash) via certain instructions that are executed with the processor in the Transactional state.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Linux Kernel 3.13.6 ath_tx_aggr_sleep() Local DoS
Agostino Sarubbo
30.03.2014

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:L/AC:M/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.7/10
6.9/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Linux -> Linux kernel 

 References:
https://github.com/torvalds/linux/commit/621b5060e823301d0cba4cb52a7ee3491922d291
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=621b5060e823301d0cba4cb52a7ee3491922d291
http://www.openwall.com/lists/oss-security/2014/03/30/5
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.7
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